1393678495 has 16 divisors (see below), whose sum is σ = 1825351200. Its totient is φ = 1013084800.

The previous prime is 1393678493. The next prime is 1393678499. The reversal of 1393678495 is 5948763931.

It is not a de Polignac number, because 1393678495 - 2¹ = 1393678493 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1393678493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135225 + ... + 145165.

It is an arithmetic number, because the mean of its divisors is an integer number (114084450).

Almost surely, 2^1393678495 is an apocalyptic number.

1393678495 is a deficient number, since it is larger than the sum of its proper divisors (431672705).

1393678495 is a wasteful number, since it uses less digits than its factorization.

1393678495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12506.

The product of its digits is 4898880, while the sum is 55.

The square root of 1393678495 is about 37332.0036295937. The cubic root of 1393678495 is about 1117.0026400747.

The spelling of 1393678495 in words is "one billion, three hundred ninety-three million, six hundred seventy-eight thousand, four hundred ninety-five".